Computer having graphical user interface



FIG. 1 is a perspective front view of a first embodiment of a computer having graphical user interface according to the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a perspective front view of a second embodiment of a computer having graphical user interface according to the present design; and,

FIG. 4 is a front view thereof.

The computer shown in broken lines form no part of the claimed design. 

The ornamental design for a computer having graphical user interface, as shown and described. 